these old men are of great help to the netghourbood ( )they

these old men are of great help to the netghourbood ( )they The students are doing to help the old men.(就划线部分提问) The stu The students are going to help the old men.用The students提问. they are of great help to learners of English.句中to learners The two men are()trouble,they are calling()help The old men work on a farm,they are ( )(farm) some young men have the best of everything,but they are to b All of these are doing great harm to the environment.这里的doin _______they often _______（help）these old men? These postcards are great Yes,they are They are men and women,old young.They all want to buy someth These days men and women, young and old are 1 the same kind